61744012 has 24 divisors (see below), whose sum is σ = 118117440. Its totient is φ = 28007760.

The previous prime is 61744003. The next prime is 61744019. The reversal of 61744012 is 21044716.

61744012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61744012² = 7624646035712288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61744019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26103 + ... + 28369.

It is an arithmetic number, because the mean of its divisors is an integer number (4921560).

Almost surely, 2^61744012 is an apocalyptic number.

It is an amenable number.

61744012 is a deficient number, since it is larger than the sum of its proper divisors (56373428).

61744012 is a wasteful number, since it uses less digits than its factorization.

61744012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 61744012 is about 7857.7358061976. The cubic root of 61744012 is about 395.2436930252.

Adding to 61744012 its reverse (21044716), we get a palindrome (82788728).

The spelling of 61744012 in words is "sixty-one million, seven hundred forty-four thousand, twelve".